91113343 has 4 divisors (see below), whose sum is σ = 91132648. Its totient is φ = 91094040.

The previous prime is 91113329. The next prime is 91113437. The reversal of 91113343 is 34331119.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34331119 = 19 ⋅1806901.

It is a cyclic number.

It is not a de Polignac number, because 91113343 - 2¹³ = 91105151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91113313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2680 + ... + 13762.

It is an arithmetic number, because the mean of its divisors is an integer number (22783162).

Almost surely, 2^91113343 is an apocalyptic number.

91113343 is a deficient number, since it is larger than the sum of its proper divisors (19305).

91113343 is a wasteful number, since it uses less digits than its factorization.

91113343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19304.

The product of its digits is 972, while the sum is 25.

The square root of 91113343 is about 9545.3309528795. The cubic root of 91113343 is about 449.9808107044.

The spelling of 91113343 in words is "ninety-one million, one hundred thirteen thousand, three hundred forty-three".